Specimen Information

Alternanthera philoxeroides
Alternanthera philoxeroides
(alligatorweed)
Plants
Exotic

Specimen ID1438383
GroupPlants
GenusAlternanthera
Speciesphiloxeroides
Common Namealligatorweed
StateCA
CountyLos Angeles
LocalityLos Angeles Basin region; San Gabriel Valley, Rio Hondo at San Gabriel Boulevard
Mapping AccuracyAccurate
HUC8 NameLos Angeles
HUC8 Number18070105
HUC10 NameRio Hondo
HUC10 Number1807010503
HUC12 NameAlhambra Wash-Rio Hondo
HUC12 Number180701050303
Map
+
Collection Day9
Collection Month8
Collection Year1946
Year AccuracyActual
Potential Pathwayhitch hiker on small watercraft
Statusestablished
Reference 1
Ref. Number:25610
Author:West, R., J. Malpas, C. Powell, M. Tollett, D. Anderson, and E. Dorrington.
Date:2019
Title:Calflora
Reference 2
Ref. Number:16045
Author:Alexander, J., S. Markos, J. Yost, R.L. Moe, E. Dean, and M. Nazaire.
Date:2016
Title:Consortium of California Herbaria (CCH)
Publisher:Regents of the University of California
CommentsCalflora observation ID: cch:UCR108328
Record TypeLiterature
DisposalUCR
Museum Cat NumberUCR108328
Freshwater/MarineFreshwater


Disclaimer:

The data represented on this site vary in accuracy, scale, completeness, extent of coverage and origin. It is the user's responsibility to use these data consistent with their intended purpose and within stated limitations. We highly recommend reviewing metadata files prior to interpreting these data.

Citation information: U.S. Geological Survey. [2021]. Nonindigenous Aquatic Species Database. Gainesville, Florida. Accessed [3/3/2021].

Contact us if you are using data from this site for a publication to make sure the data are being used appropriately and for potential co-authorship if warranted. For queries involving fish, please contact Matthew Neilson. For queries involving invertebrates, contact Amy Benson.